<SEC-DOCUMENT>0001193125-17-367561.txt : 20171212
<SEC-HEADER>0001193125-17-367561.hdr.sgml : 20171212
<ACCEPTANCE-DATETIME>20171212170503
ACCESSION NUMBER:		0001193125-17-367561
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20171212
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20171212
DATE AS OF CHANGE:		20171212

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTERN DIGITAL CORP
		CENTRAL INDEX KEY:			0000106040
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		IRS NUMBER:				330956711
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0628

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08703
		FILM NUMBER:		171252386

	BUSINESS ADDRESS:	
		STREET 1:		5601 GREAT OAKS PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95119
		BUSINESS PHONE:		9496727000

	MAIL ADDRESS:	
		STREET 1:		3355 MICHELSON DRIVE SUITE 100
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92612

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENERAL DIGITAL CORP
		DATE OF NAME CHANGE:	19730125
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d494573d8k.htm
<DESCRIPTION>FORM 8-K
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<TITLE>Form 8-K</TITLE>
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 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, DC 20549 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM <FONT
STYLE="white-space:nowrap">8-K</FONT> </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>CURRENT
REPORT </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Pursuant to Section&nbsp;13 or 15(d) </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>of the Securities Exchange Act of 1934 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Date of Report (Date of earliest event reported):&nbsp;December 12, 2017 </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>Western Digital Corporation </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact Name of Registrant as Specified in its Charter) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><B>Delaware</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">001-08703</FONT></B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">33-0956711</FONT></B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or other jurisdiction<BR></B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>of incorporation)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Commission<BR></B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>File Number)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(I.R.S. Employer<BR></B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Identification No.)</B></P></TD></TR>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>5601 Great Oaks Parkway</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>San Jose, California</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center"><B>95119</B></TD></TR>
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<TD VALIGN="top" ALIGN="center"><B>(Address of Principal Executive Offices)</B></TD>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>(Zip Code)</B></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(408) <FONT STYLE="white-space:nowrap">717-6000</FONT> </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Registrant&#146;s Telephone Number, Including Area Code) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Not applicable </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Former
name or former address, if changed since last report) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Check the appropriate box below
if the Form <FONT STYLE="white-space:nowrap">8-K</FONT> filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top">Soliciting material pursuant to Rule <FONT STYLE="white-space:nowrap">14a-12</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.14a-12)</FONT> </TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to Rule <FONT STYLE="white-space:nowrap">14d-2(b)</FONT> under the Exchange Act (17 CFR
<FONT STYLE="white-space:nowrap">240.14d-2(b))</FONT> </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to Rule <FONT STYLE="white-space:nowrap">13e-4(c)</FONT> under the Exchange Act (17 CFR
<FONT STYLE="white-space:nowrap">240.13e-4(c))</FONT> </TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is an emerging growth company as
defined in Rule 405 of the Securities Act of 1933 (17 CFR &#167;230.405) or Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Securities Exchange Act of 1934 (17&nbsp;CFR <FONT STYLE="white-space:nowrap">&#167;240.12b-2).</FONT> </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Emerging growth company&nbsp;&nbsp;&#9744; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If an
emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&nbsp;13(a) of the Exchange
Act.&nbsp;&nbsp;&#9744;</P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>

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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;1.01.</B></TD>
<TD ALIGN="left" VALIGN="top"><B>Entry into a Material Definitive Agreement </B></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On December&nbsp;12, 2017, Western Digital
Corporation (&#147;<U>Western Digital</U>&#148;) announced a settlement with Toshiba Corporation (&#147;<U>Toshiba</U>&#148;) resolving the previously disclosed litigation and arbitration proceedings (the &#147;<U>Proceedings</U>&#148;) related to
the transfer by Toshiba of its interests in the NAND flash memory joint ventures with certain of Western Digital&#146;s SanDisk subsidiaries to its subsidiary, Toshiba Memory Corporation (&#147;<U>TMC</U>&#148;), and the proposed sale of TMC to a
consortium of investors led by Bain Capital (as defined below) (the &#147;<U>Bain Consortium</U>&#148;). In addition to the settlement with Toshiba, Western Digital entered into a settlement agreement with Bain Capital and certain other agreements
with TMC related to the operation of the joint ventures. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Y6 Facility Agreement </U></I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the settlement with Toshiba, on December&nbsp;12, 2017, Western Digital entered into a Y6 Facility Agreement (the
&#147;<U>Y6 Facility Agreement</U>&#148;) by and among Western Digital, SanDisk LLC, SanDisk (Cayman) Limited, SanDisk (Ireland) Limited, SanDisk Flash B.V. (together, &#147;<U>SanDisk</U>&#148;), Flash Partners, Ltd. (&#147;<U>FPL</U>&#148;), Flash
Alliance, Ltd. (&#147;<U>FAL</U>&#148;), Flash Forward Ltd. (&#147;<U>FFL</U>&#148;, together with FPL and FAL, the &#147;<U>Joint Ventures</U>&#148;) and TMC, setting forth their agreement regarding the construction and operation of a new <FONT
STYLE="white-space:nowrap">300-millimeter</FONT> wafer fabrication facility in Yokkaichi, Japan, referred to as &#147;Fab 6&#148;. The primary purpose of Fab 6, which is located adjacent to the fabrication facilities in Yokkaichi currently utilized
by the Joint Ventures (together with Fab 6, the &#147;<U>Yokkaichi Facility</U>&#148;), is to provide cleanroom space to continue the transition of the parties&#146; existing 2D NAND manufacturing capacity to BiCS 3D NAND manufacturing capacity. The
Y6 Facility Agreement establishes terms for the manufacture of NAND in Fab 6 and amends the existing agreements governing the Joint Ventures to provide for their use of Fab 6. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">TMC owns and is funding the construction of Fab 6. The shell is being built in two phases of substantially similar size, and the cleanroom
within each such phase is being built in two phases of substantially similar size (i.e., a total of four phases). As previously announced by TMC, TMC has already begun and will continue to unilaterally implement an initial investment in NAND
manufacturing equipment to be installed in Fab 6 (&#147;<U>Phase I</U>&#148;). As TMC is implementing Phase I on its standalone capacity at the Yokkaichi Facility, TMC will exclusively receive the output associated with Phase I. Western Digital will
participate through the Joint Ventures from the subsequent equipment investment for Fab 6 (&#147;<U>Phase II</U>&#148;) and will receive output associated with Phase II beginning in the second half of calendar 2018. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Under the Y6 Facility Agreement, Western Digital is committed to fund 50% of Fab 6&#146;s <FONT STYLE="white-space:nowrap">start-up</FONT>
costs, as well as 50% of the Joint Ventures&#146; portion of Phase II. Western Digital&#146;s share of the initial commitment is expected to be approximately $950&nbsp;million, mostly for equipment investments and some
<FONT STYLE="white-space:nowrap">start-up</FONT> costs to be incurred primarily through calendar 2018. Western Digital is also required under the Y6 Facility Agreement to prepay approximately $60&nbsp;million in January 2018 toward the Fab 6
building depreciation, to be credited against future wafer charges. Western Digital expects to fund its portion of the initial commitment and building depreciation prepayment with cash on hand as well as through other financing sources. Beyond Phase
II, each of TMC and Western Digital has some flexibility as to the extent and timing of its participation in any BiCS 3D NAND transitions or capacity expansions using Fab 6. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Additionally, Western Digital and TMC intend to enter into definitive agreements in due course applicable to Western Digital&#146;s
participation in TMC&#146;s wafer fabrication facility to be constructed in Iwate, Japan (the &#147;<U>Iwate Facility</U>&#148;). Under the Y6 Facility Agreement, TMC and Western Digital have agreed that Western Digital&#146;s participation in the
manufacture of BiCS 3D NAND at the Iwate Facility shall be on terms substantially similar to the terms that apply to the manufacture of BiCS 3D NAND at the Yokkaichi Facility subject to certain conditions, including with respect to Western
Digital&#146;s and TMC&#146;s respective levels of investment at the Iwate Facility. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with their entry into the Y6 Facility
Agreement, Western Digital, SanDisk and TMC have also agreed to, among other things, (i)&nbsp;extend their joint research and development activities at the Yokkaichi Facility to Fab 6 and (ii)&nbsp;mutually contribute to, and indemnify each other
and the Joint Ventures for, certain environmental remediation costs or liabilities resulting from Fab 6&#146;s operations. </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Settlement Agreements </U></I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On December&nbsp;12, 2017, Western Digital entered into a Confidential Settlement and Mutual Release Agreement (the &#147;<U>Toshiba Settlement
Agreement</U>&#148;) by and among Western Digital, SanDisk, Toshiba and TMC. Under the Toshiba Settlement Agreement, the parties agreed to withdraw and seek dismissal of the Proceedings and mutually release each other from all claims relating to,
among other things, (i)&nbsp;the transfer of Toshiba&#146;s equity interests in the Joint Ventures to TMC, (ii)&nbsp;Toshiba&#146;s restrictions on Western Digital&#146;s access to shared databases and networks relating to the Joint Ventures and
refusal to ship certain engineering wafers and samples to SanDisk&#146;s affiliates (the &#147;<U>Access Restrictions</U>&#148;), (iii) TMC&#146;s decision to invest unilaterally in Phase I of Fab 6 and (iv)&nbsp;the sale of TMC to K.K. Pangea, a
Japanese corporation (&#147;<U>Pangea</U>&#148;) that will be owned, as of the closing of the sale, by certain members of the Bain Consortium (the &#147;<U>TMC Sale</U>&#148;). In addition, Western Digital and SanDisk agreed to consent to the
transfer of Toshiba&#146;s interests in the Joint Ventures to TMC, the assignment of all agreements relating to the Joint Ventures by Toshiba to TMC and the sale of TMC to K.K. Pangea, which will be owned, as of the closing of the sale, by certain
members of the Bain Consortium. Toshiba and TMC have agreed to end the Access Restrictions. For a period of three years following the closing of the TMC sale (the &#147;<U>Restricted Period</U>&#148;), Western Digital&#146;s consent shall be
required for any issuance or transfer of equity securities, voting rights or control in TMC by TMC, Toshiba, Bain Capital or their respective affiliates to certain restricted parties (each, a &#147;<U>Restricted Party</U>&#148;), subject to certain
limited exceptions. These transfer restrictions would terminate in the event that a Restricted Party acquires or controls Western Digital or if the TMC Sale does not close (subject to reinstatement if TMC later consummates certain transactions with
Bain Capital). The Toshiba Settlement Agreement also terminated the Transition Agreement by and between SanDisk LLC, SanDisk Flash B.V. and Toshiba, dated as of July&nbsp;13, 2010, under which Toshiba had the option to purchase SanDisk&#146;s
interests in FFL upon a change of control of SanDisk resulting in control of SanDisk by certain designated companies. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On
December&nbsp;12, 2017, Western Digital and SanDisk also entered into a Confidential Settlement Agreement and Mutual Release (the &#147;<U>Bain Settlement Agreement</U>&#148; and, together with the Toshiba Settlement Agreement, the
&#147;<U>Settlement Agreements</U>&#148;) with Bain Capital Private Equity, L.P., BCPE Pangea Cayman, L.P., BCPE Pangea Cayman2, Ltd., Bain Capital Fund XII, L.P., Bain Capital Asia Fund III, L.P. and Pangea (together, &#147;<U>Bain
Capital</U>&#148;) on terms substantially similar to the terms of the Toshiba Settlement Agreement, subject to certain transfer restrictions on Bain Capital. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Extension of Joint Venture Agreement </U></I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the settlement with Toshiba, on December&nbsp;12, 2017, Western Digital also entered into an FAL Commitment and Extension
Agreement (the &#147;<U>FAL Extension Agreement</U>&#148;) by and among Western Digital, SanDisk LLC, SanDisk (Ireland) Limited and TMC, under which the parties thereto extended the term of FAL to December&nbsp;31, 2029. Western Digital, TMC and the
applicable SanDisk entities also extended the term of FFL to December&nbsp;31, 2027. The term of FPL was previously extended to December&nbsp;31, 2029. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The foregoing description of the Y6 Facility Agreement, the Settlement Agreements and the FAL Extension Agreement is not intended to be
complete and is qualified in its entirety by reference to the text of these agreements, which Western Digital intends to file as exhibits to its Quarterly Report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> for the fiscal quarter ending
December&nbsp;29, 2017. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;7.01.</B></TD>
<TD ALIGN="left" VALIGN="top"><B>Regulation FD Disclosure </B></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On December&nbsp;12, 2017, Western Digital and Toshiba issued
a joint press release, which is attached hereto as Exhibit 99.1 and incorporated herein by reference. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The press release is furnished and
not filed, pursuant to Instruction B.2 of Form <FONT STYLE="white-space:nowrap">8-K.</FONT> </P>

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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;8.01.</B></TD>
<TD ALIGN="left" VALIGN="top"><B>Other Events </B></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the settlement with Toshiba, Western Digital agreed to
abide by the existing agreements governing the Joint Ventures as if it were SanDisk under the agreements. In addition, in the event that SanDisk fails to satisfy any payment obligation under the existing agreements governing the Joint Ventures,
Western Digital agreed to satisfy such payment obligation. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Western Digital and TMC also agreed to continue technical collaborative
activities, including development activities for the process, device and design of Joint Venture products, in a manner comparable to that of practices between Toshiba and SanDisk prior to Western Digital&#146;s acquisition of SanDisk. </P>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&nbsp;9.01.</B></TD>
<TD ALIGN="left" VALIGN="top"><B>Financial Statements and Exhibits </B></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">(d) <U>Exhibits</U> </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; width:39.50pt; font-size:8pt; font-family:Times New Roman"><B>Description</B></P></TD></TR>


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<TD VALIGN="top" NOWRAP>99.1</TD>
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<TD VALIGN="top"><A HREF="d494573dex991.htm">Joint Press Release of Western Digital Corporation and Toshiba Corporation, dated December&nbsp;12, 2017. </A></TD></TR>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>SIGNATURE </U></B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned,
thereunto duly authorized. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom">&nbsp;</TD>
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<TD VALIGN="top" COLSPAN="3" ALIGN="center"><B>Western Digital Corporation</B></TD></TR>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Date: December&nbsp;12, 2017</P></TD>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">By:</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">/s/&nbsp;Michael C. Ray</TD></TR>
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<TD VALIGN="top" ALIGN="center">Michael C. Ray</TD></TR>
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<TD VALIGN="bottom" ALIGN="center">Executive Vice President, Chief Legal Officer</TD></TR>
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<TD VALIGN="bottom" ALIGN="center">and Secretary</TD></TR>
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<TYPE>EX-99.1
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<DESCRIPTION>EXHIBIT 99.1
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<HTML><HEAD>
<TITLE>Exhibit 99.1</TITLE>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 99.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Toshiba Corporation </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Toshiba Memory
Corporation </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Western Digital Corporation </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>FOR IMMEDIATE RELEASE: </U></B></P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>TOSHIBA
AND WESTERN DIGITAL REACH GLOBAL SETTLEMENT </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>AND AGREE TO STRENGTHEN FLASH MEMORY COLLABORATION </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">TOKYO Dec.&nbsp;13, 2017 and SAN JOSE, Calif. Dec. 12, 2017 &#150; Toshiba Corporation (TOKYO: 6502) (&#147;Toshiba&#148;), Toshiba Memory Corporation
(&#147;TMC&#148;) and Western Digital Corporation (NASDAQ: WDC) (&#147;Western Digital&#148;) have entered into a global settlement agreement to resolve their ongoing disputes in litigation and arbitration, strengthen and extend their relationship,
and enhance the mutual commitment to their ongoing flash memory collaboration. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As part of this agreement, TMC and Western Digital will
participate jointly in future rounds of investment in Fab 6, the <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">state-of-the-art</FONT></FONT></FONT> memory fabrication facility now under
construction at Yokkaichi, including the upcoming investment round announced by Toshiba in October 2017. Fab 6 will be entirely devoted to the mass production of BiCS FLASH&#153;, the next-generation of 3D flash memory, starting next year. TMC and
Western Digital similarly intend to enter into definitive agreements in due course under which Western Digital will participate in the new flash wafer fabrication facility which will be constructed in Iwate, Japan. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The parties will strengthen their flash memory collaboration by extending the terms of their joint ventures. Flash Alliance will be extended
to December&nbsp;31, 2029 and Flash Forward to December&nbsp;31, 2027. Flash Partners was previously extended to December&nbsp;31, 2029. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The parties&#146; agreement to resolve all outstanding disputes ensures that all parties are aligned on Toshiba&#146;s sale of TMC to K.K.
Pangea, a special purpose acquisition company formed and controlled by a consortium led by Bain Capital Private Equity, LP (&#147;Bain Capital&#148;). The parties have agreed on mutual protections for their assets and confidential information in
connection with the sale of TMC, and on collaborating to ensure the future success of TMC as a public company following an eventual IPO. </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Toshiba and Western Digital Reach Global Settlement and Agree to Strengthen Flash Memory Collaboration </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B></B>Page<B>
 2
 </B>of<B> 5 </B></P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Commenting on the agreement reached today, Dr.&nbsp;Yasuo Naruke, Senior Executive Vice
President of Toshiba Corporation and President and CEO of TMC said: &#147;We are very pleased to have reached this outcome, which clearly benefits all involved. With the concerns about litigation and arbitration removed, we look forward to renewing
our collaboration with Western Digital, and accelerating TMC&#146;s growth to meet growing global demand for flash memory. Toshiba also remains on track to complete our transaction with the consortium led by Bain Capital by the end of March 2018.
This will ensure that TMC has the resources it needs to continue to innovate and deliver for a fast-growing flash memory market, particularly in areas driven forward by advances in AI and IoT.&#148; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Western Digital Chief Executive Officer Steve Milligan stated: &#147;Western Digital&#146;s core priorities have always been to protect the
JVs and ensure their success and longevity, guarantee long-term access to NAND supply, protect our interests in the JVs, and create long-term value for our stakeholders. We are very pleased that these agreements accomplish these critical goals,
allow Toshiba to achieve its objectives, and also enable us to continue delivering on the power of our platform. I want to thank the hardworking teams at Western Digital and TMC for the dedication they have exhibited over the past several months,
operating the JVs without interruption, and we look forward to building upon the success of our 17 year partnership.&#148; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Yuji Sugimoto,
Managing Director, Head of Japan for Bain Capital said: &#147;Bain Capital is pleased that Toshiba and Western Digital have resolved all outstanding legal disputes. The settlement represents the best possible outcome for all parties, clearing the
way for the Bain <FONT STYLE="white-space:nowrap">Capital-led</FONT> consortium to complete its acquisition of TMC as planned. We look forward to supporting TMC to achieve its strategic objectives while enhancing these important JVs with Western
Digital.&#148; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As part of the global settlement agreement, Toshiba, TMC and Western Digital have agreed to withdraw all pending
litigation and arbitration actions. </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Toshiba and Western Digital Reach Global Settlement and Agree to Strengthen Flash Memory Collaboration </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B></B>Page<B>
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 </B>of<B> 5 </B></P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>About Toshiba </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For over 140 years, Toshiba Corporation has contributed to a sustainable future by applying innovative technologies to value creation. Today,
our business domains are centered on the essential infrastructure that supports modern life and society. Guided by the principles of The Basic Commitment of the Toshiba Group, &#147;Committed to People, Committed to the Future,&#148; Toshiba
promotes global operations that contribute to realization of a world where generations to come can live better lives. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">To find out more
about Toshiba, visit www.toshiba.co.jp/worldwide/about/index.html </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>About Western Digital </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Western Digital creates environments for data to thrive. The company is driving the innovation needed to help customers capture, preserve,
access and transform an ever-increasing diversity of data. Everywhere data lives, from advanced data centers to mobile sensors to personal devices, our industry-leading solutions deliver the possibilities of data. Western Digital<SUP
STYLE="font-size:85%; vertical-align:top">&reg;</SUP> data-centric solutions are marketed under the <FONT STYLE="white-space:nowrap">G-Technology&#153;,</FONT> HGST, SanDisk<SUP STYLE="font-size:85%; vertical-align:top">&reg;</SUP>, Tegile&#153;,
Upthere&#153; and WD<SUP STYLE="font-size:85%; vertical-align:top">&reg;</SUP> brands. Financial and investor information is available on the company&#146;s Investor Relations website at <U>investor.wdc.com</U>. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Forward-Looking Statements </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This news
release contains certain forward-looking statements, including statements concerning: the NAND flash memory joint ventures; the global settlement agreement and the resolution of outstanding legal disputes; investments in Fab 6; Western
Digital&#146;s participation in TMC&#146;s wafer fabrication facility to be constructed in Iwate, Japan; the production of 3D flash memory and demand in the flash memory market; Toshiba&#146;s transaction with the consortium led by Bain Capital; a
potential initial public offering by TMC; and expectations and objectives with respect to the NAND flash memory joint ventures. There are a number of risks and uncertainties that may cause these forward-looking statements to be inaccurate including,
among others: uncertainties with respect to the NAND flash memory joint ventures; volatility in global economic conditions; business conditions and growth in </P>

<p Style='page-break-before:always'>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Toshiba and Western Digital Reach Global Settlement and Agree to Strengthen Flash Memory Collaboration </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B></B>Page<B>
 4
 </B>of<B> 5 </B></P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
the storage ecosystem; impact of competitive products and pricing; market acceptance and cost of commodity materials and specialized product components; actions by competitors; unexpected
advances in competing technologies; the development and introduction of products based on new technologies and expansion into new data storage markets; risks associated with acquisitions, mergers and joint ventures; difficulties or delays in
manufacturing; and other risks and uncertainties listed in Western Digital&#146;s filings with the Securities and Exchange Commission (the &#147;SEC&#148;), including Western Digital&#146;s Form <FONT STYLE="white-space:nowrap">10-Q</FONT> filed
with the SEC on Nov. 7, 2017, to which your attention is directed. You should not place undue reliance on these forward-looking statements, which speak only as of the date hereof, and Western Digital undertakes no obligation to update these
forward-looking statements to reflect subsequent events or circumstances. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"># # # </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Contacts: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>Toshiba </U></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Media Contact: </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Kaori Hiraki, <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">+81-3-3457-2100</FONT></FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">media.relations@toshiba.co.jp </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Toshiba Memory Corporation </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Kota Yamaji </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Business Planning Division </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Phone:
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">+81-3-3457-3473</FONT></FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">semicon-NR-mailbox@ml.toshiba.co.jp</FONT></FONT> </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>Western Digital </U></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Media Contact: </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Jim Pascoe, <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">408-717-6999</FONT></FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">jim.pascoe@wdc.com </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">or </P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>

<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Toshiba and Western Digital Reach Global Settlement and Agree to Strengthen Flash Memory Collaboration </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B></B>Page<B>
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 </B>of<B> 5 </B></P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Investor Contact: </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Bob Blair, <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">949-672-7834</FONT></FONT> </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">robert.blair@wdc.com </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">or </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Joele Frank, Wilkinson Brimmer Katcher </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Eric Brielmann / Jed
Repko / Ed Trissel </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">415-869-3950</FONT></FONT> / <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">212-355-4449</FONT></FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">wdcmedia@joelefrank.com </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">or </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>Japan </U></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Media Contacts: </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Emi Hatano,
<FONT STYLE="white-space:nowrap">090-5765-9730</FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">emi.hatano@sandisk.com </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">or </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Ashton Consulting </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">John Sunley / Brendan Jennings </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">03 5425-7220 / 090&#151;7416-0180
/ 050 7576-6190 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>WDC_JapanPR@ashton.jp </U></P>
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